A magnitude ML 0.7 earthquake occured in region: 5 km NW Norcia (PG), on
and geographic coordinates (lat, lon) 42.8240, 13.0460 at 10 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
Search earthquakes: Any within 30 km radius
The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Norcia | PG | 5 | 4957 | 4957 |
Preci | PG | 6 | 724 | 5681 |
Cerreto di Spoleto | PG | 11 | 1075 | 6756 |
Castelsantangelo sul Nera | MC | 12 | 281 | 7037 |
Cascia | PG | 12 | 3217 | 10254 |
Sellano | PG | 12 | 1079 | 11333 |
Visso | MC | 13 | 1107 | 12440 |
Poggiodomo | PG | 15 | 117 | 12557 |
Ussita | MC | 15 | 444 | 13001 |
Vallo di Nera | PG | 16 | 364 | 13365 |
Monte Cavallo | MC | 19 | 145 | 13510 |
Sant'Anatolia di Narco | PG | 20 | 564 | 14074 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2023-07-31 16:30:56 |
42.8242 | 13.0462 | 10 | 2023-07-31 16:39:51 |
Sala Sismica INGV-Roma | 119734951 |
Field | Value |
---|---|
Time (UTC) | 2023-07-31 16:30:56 ± 0.09 |
Latitude | 42.8242 ± 0.0036 |
Longitude | 13.0462 ± 0.0061 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 119734951 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 429 |
Semi-minor axis of confidence ellipse (meter) | 246 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 283 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 430.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 110 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 26 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.24 |
Epicentral distance of station closest to the epicenter (degree) | 0.05036 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29408 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 119734951 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-07-31 16:39:51 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MML1.EHZ. | 2023-07-31T16:31:07.73 | 0.6 | undecidable | manual | S | 349 | 32.6451 | 50 | 0.07 | 49 |
IV.CSP1.EHZ. | 2023-07-31T16:31:07.90 | 0.6 | undecidable | manual | S | 23 | 32.3454 | 50 | 0.31 | 46 |
IV.LNSS.HHZ. | 2023-07-31T16:31:05.75 | 0.6 | undecidable | manual | S | 181 | 24.5532 | 50 | 0.26 | 47 |
IV.FDMO.HHZ. | 2023-07-31T16:31:05.12 | 0.6 | undecidable | manual | S | 8 | 23.754 | 113 | -0.14 | 49 |
IV.CESI.HNZ. | 2023-07-31T16:31:05.10 | 0.6 | undecidable | manual | S | 330 | 23.1546 | 114 | 0.05 | 49 |
IV.MMO1.HNZ. | 2023-07-31T16:31:05.38 | 0.6 | undecidable | manual | S | 70 | 24.2535 | 113 | -0.04 | 49 |
7F.SIB2.EHZ. | 2023-07-31T16:31:04.41 | 0.6 | undecidable | manual | S | 70 | 22.2555 | 115 | -0.35 | 47 |
IV.GAVE.EHZ. | 2023-07-31T16:31:03.94 | 0.6 | undecidable | manual | S | 220 | 19.1697 | 118 | 0.13 | 49 |
IV.MC2.EHZ. | 2023-07-31T16:31:03.04 | 0.3 | undecidable | manual | S | 50 | 15.0738 | 124 | 0.44 | 69 |
IT.MTCL.HGZ. | 2023-07-31T16:31:03.78 | 0.6 | undecidable | manual | S | 349 | 19.2696 | 118 | -0.04 | 50 |
7F.SIB3.EHZ. | 2023-07-31T16:31:03.79 | 0.6 | undecidable | manual | S | 73 | 19.0698 | 118 | 0.01 | 50 |
IV.CSP1.EHZ. | 2023-07-31T16:31:02.91 | 0.6 | negative | manual | P | 23 | 32.3454 | 50 | 0.1 | 48 |
IV.MML1.EHZ. | 2023-07-31T16:31:02.99 | 1.0 | undecidable | manual | P | 349 | 32.6451 | 50 | 0.14 | 24 |
IV.FEMA.HNZ. | 2023-07-31T16:31:02.86 | 0.6 | undecidable | manual | S | 1 | 15.2736 | 124 | 0.2 | 49 |
7F.SIB3.EHZ. | 2023-07-31T16:31:01.04 | 0.1 | undecidable | manual | P | 73 | 19.0698 | 118 | 0.43 | 92 |
IV.LNSS.HHZ. | 2023-07-31T16:31:01.44 | 0.1 | undecidable | manual | P | 181 | 24.5532 | 50 | -0.16 | 97 |
IV.FDMO.HHZ. | 2023-07-31T16:31:01.48 | 0.6 | positive | manual | P | 8 | 23.754 | 113 | 0.01 | 50 |
IV.MMO1.HNZ. | 2023-07-31T16:31:00.89 | 0.1 | undecidable | manual | P | 70 | 24.2535 | 113 | -0.67 | 84 |
IV.NRCA.HHZ. | 2023-07-31T16:31:00.36 | 0.6 | undecidable | manual | S | 79 | 5.5944 | 151 | 0.05 | 51 |
IV.GAVE.EHZ. | 2023-07-31T16:31:00.71 | 0.1 | undecidable | manual | P | 220 | 19.1697 | 118 | 0.08 | 99 |
IV.MC2.EHZ. | 2023-07-31T16:31:00.17 | 0.1 | undecidable | manual | P | 50 | 15.0738 | 124 | 0.24 | 97 |
IT.MTCL.HGZ. | 2023-07-31T16:31:00.67 | 0.1 | undecidable | manual | P | 349 | 19.2696 | 118 | 0.04 | 100 |
7F.SIB2.EHZ. | 2023-07-31T16:31:00.85 | 0.1 | undecidable | manual | P | 70 | 22.2555 | 115 | -0.33 | 94 |
IV.FEMA.HNZ. | 2023-07-31T16:31:00.03 | 0.1 | undecidable | manual | P | 1 | 15.2736 | 124 | 0.07 | 100 |
IV.CESI.HNZ. | 2023-07-31T16:31:00.81 | 0.1 | undecidable | manual | P | 330 | 23.1546 | 114 | -0.53 | 89 |
IV.NRCA.HHZ. | 2023-07-31T16:30:58.87 | 1.0 | undecidable | manual | P | 79 | 5.5944 | 151 | 0.26 | 24 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.9 | 0.000127 | 0.14 | AML | other | m | 2023-07-31T16:31:00.48 |
IV.NRCA.HHE. | ML:1.0 | 0.00015300000000000003 | 0.32 | AML | other | m | 2023-07-31T16:31:00.59 |
IV.FDMO.HHN. | ML:0.5 | 0.000019299999999999998 | 0.62 | AML | other | m | 2023-07-31T16:31:05.52 |
IV.FDMO.HHE. | ML:0.6 | 0.00002565 | 0.74 | AML | other | m | 2023-07-31T16:31:05.25 |
IV.CSP1.EHE. | ML:1.2 | 0.000066364645 | 7.8464 | AML | other | m | 2023-07-31T16:31:08.31 |
IV.CSP1.EHN. | ML:0.8 | 0.00002363986 | 0.4224 | AML | other | m | 2023-07-31T16:31:14.09 |
IV.MML1.EHE. | ML:0.4 | 0.00001058151015 | 0.1024 | AML | other | m | 2023-07-31T16:31:08.34 |
IV.MML1.EHN. | ML:0.4 | 0.0000109672835 | 0.1152 | AML | other | m | 2023-07-31T16:31:09.02 |